CN101915362A - Small-capacity injection material transport system - Google Patents
Small-capacity injection material transport system Download PDFInfo
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- CN101915362A CN101915362A CN 201010262525 CN201010262525A CN101915362A CN 101915362 A CN101915362 A CN 101915362A CN 201010262525 CN201010262525 CN 201010262525 CN 201010262525 A CN201010262525 A CN 201010262525A CN 101915362 A CN101915362 A CN 101915362A
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Abstract
The invention relates to a small-capacity injection material transport system, comprising a thickening preparation can, a dilution preparation can, a filter and breathers, wherein the breathers are respectively arranged on the tops of the thickening preparation can and the dilution preparation can; the bottom of the thickening preparation can and/or the bottom of the dilution preparation can is provided with a waste water discharge port or a discharge channel, and the waste water discharge port or the discharge channel is provided with a conductivity meter for testing the conductivity of discharged waste water; and each breather can be provided with a degerming hydrophobicity filter with the function of electrical heating. The system can measure the value of the conductivity of discharged liquid through arranging the conductivity meter at the waste water discharge port or the discharge channel to further judge the cleaning effect, which is in favor of realizing on-line cleaning. Accident potential can be greatly reduced through adopting electrical heating type breathers.
Description
Technical field
The present invention relates to a kind of material pipe transporting system of small-volume injection in the pharmaceutical industry, this pipe-line transportation system specifically be used for realizing soup be delivered to the filling machine encapsulation as before the finished product the sequence of operations such as stirring, dilution of process.
Background technique
The working principle of small-capacity injection material transport system mainly is that bulk drug is entered dense preparing tank by charging hole, and adding injection water dilution, through after the magnetic stirrer soup is delivered to dilute preparing tank by health level water pump, and add corresponding injection water and finish accurate dosing process by Weighing module, and feed liquid is delivered to filling machine encapsulation by sterilizing filter, become a transporting system of finished product.
In the existing small-capacity injection material transport system, general to adopt 1 filter precision be 0.45 μ m and 2 filter series connection that filter precision is 0.22 μ m to dilute preparing tank to the filling machine filter, and material is about to feed liquid after by these two filters and is delivered to filling machine.Simultaneously also be provided with resuscitation apparatus at tank deck, the main effect of resuscitation apparatus is to make air and external air pressure balance in the jar in pharmaceutical industry, and ambient air is carried out aseptic filtration, be unlikely to make jar internal pressure excessive or too small, cause tank body blast or flatly fall; But because transporting system need use pure steam when sterilization or cleaning, and pure steam is easy to generate condensed water, and the condensed water that is produced can stop up the filter core in the resuscitation apparatus, thereby causes intrasystem pressure change to cause potential safety hazard.
Along with the development of current medical technology, the checking for material system among the new edition GMP is also more and more stricter simultaneously, and this cleaning and sterilization comprising equipment, pipeline portions is verified, and required also more and more stricter for the filter of material-transporting system.For example require among the new edition GMP: sterilising temp need be controlled at and be not less than 121 ℃, sterilization time 〉=30min; And traditional small-volume injection transporting system can't be carried out on-line monitoring to temperature and water quality, and then has influenced its service behaviour and working efficiency.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of small-capacity injection material transport system of performance safety, and its technical problem to be solved can be implemented by the following technical programs.
A kind of small-capacity injection material transport system, comprise dense preparing tank, dilute preparing tank, filter and lay respectively at dense preparing tank and the resuscitation apparatus of dilute preparing tank tank deck, the jar end of described dense preparing tank and/or dilute preparing tank, be provided with discharge of wastewater mouth or discharge passage, and described discharge of wastewater mouth or discharge passage place are provided with the conductivity meter that is used for testing institute's waste discharge conductivity.
As the further improvement of the technical program, described resuscitation apparatus is the electric heating type filter that has electric heating function.
As the further improvement of the technical program, described resuscitation apparatus can be the degerming hydrophobic filter.
Wherein, the filter precision of described degerming hydrophobic filter can be 0.22 μ m.
In addition, be provided with discharge of wastewater mouth (or discharge of wastewater passage) and condensed water discharge passage at the bottom of described dense preparing tank jar, described discharge of wastewater mouth (or discharge of wastewater passage) and/or condensed water discharge passage place can be provided with the temperature transducer that is used for testing online pure steam sterilizing (SIP) temperature measuring.
Equally, be provided with discharge of wastewater mouth or discharge passage at the bottom of described dilute preparing tank jar, described discharge of wastewater mouth or discharge passage place can be provided with the temperature transducer that is used for testing institute's waste discharge temperature.
Also as the further improvement of the technical program, described filter can comprise that filter precision is that the decarburization filter of 3 μ m, the filter that filter precision is 1 μ m, filter and the filter precision that filter precision is 0.45 μ m are the sterilizing filter of 0.22 μ m.
As the further improvement of the technical program, described filter precision is that the sterilizing filter of 0.22 μ m has two.
As the further improvement of the technical program, be provided with water for injection intake tunnel and purified water intake tunnel again at described dense preparing tank tank deck; Described water for injection intake tunnel and purified water intake tunnel be equipped with at least one by the set spray ball of dense preparing tank tank deck with described water for injection or/and purified water is sent into the liquor charging passage in the dense preparing tank jar, and also be equipped with at least one not by described spray ball with described water for injection or/and purified water is sent into the liquor charging passage in the dense preparing tank jar.
In like manner, be provided with water for injection intake tunnel and purified water intake tunnel at described dilute preparing tank tank deck; Described water for injection intake tunnel and purified water intake tunnel be equipped with at least one by the set spray ball of dilute preparing tank tank deck with described water for injection or/and purified water is sent into the liquor charging passage in the dilute preparing tank jar, and also be equipped with at least one not by described spray ball with described water for injection or/and purified water is sent into the liquor charging passage in the dilute preparing tank jar.
Adopt the small-capacity injection material transport system of technique scheme, can reduce accident potential greatly by adopting the electric heating type resuscitation apparatus.And can measure the conductivity value of the liquid that discharged, and then cleaning performance is judged by conductivity instrument is set at discharging of waste liquid passage or floss hole.Help realizing on-line cleaning.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention being done one describes in detail.
Fig. 1 is overall structure of the present invention and schematic flow sheet;
Fig. 2 is the enlarged diagram at A frame place among Fig. 1;
Fig. 3 is the enlarged diagram at B frame place among Fig. 1;
Fig. 4 is the enlarged diagram at C frame place among Fig. 1;
Fig. 5 is the enlarged diagram at D frame place among Fig. 1.
Among the figure each label the theing contents are as follows of corresponding or expression:
V1001, V1002, V1003, V1004, V1005, V1007, V1008, V1009, V1014, V1015, V1016, V1017, V1018, V1019, V1020, V1022, V1023, V1024, V1025, V1028, V1030, V1031, V1032, V1033, V1034, V1035, V1036, V1037, V1038, V1039, V1040, V1041, V1042, V1044, V1045, V1046, V1047, V1050, V1051, V1053, V1054, V1055, V1056, V1057, V1058, V1059, V1060, V1061, V1064, V1066, V1067, V1068, V1071, V1072, V1073, V1074, V1075, V1076, V1078, V1079, V1080, V1083, V1085, V1086, V1087, V1088, V1089, V1090, V1091, V1092, V1093, V1094, V1095, V1096, V1097, V1101, V1103, V1106, V1107, V1111, V1113, V1114, V1115, V1116, V1117, V1118---valve
V1006, V1013, V1043, V1048, V1052, V1062, V1065, V1098, V1112---sampling cock
V1010, V1021, V1069, V1077---drain valve
V1011, V1012, V1027, V1029, V1063, V1070, V1082, V1084---percentage modulating valve
V1026---safety valve
V1049, V1100, V1102, V1105, V1108, V1110---floss hole
V1081---Decompression valves
V1099, V1104, V1109---integrity test mouth
E101, E102---electric heating resuscitation apparatus
F101---3 μ m decarburization filter F 102---1 μ m filter F 103---0.45 μ m filter F 104, F105---, 0.22 μ m sterilizing filter
I101, I103, I105, I108, I109, I115, I117, I120, I121, I122, I129---temperature transducer
I102, I106, I112, I113, I119, I125, I126, I127, I128---pressure gauge
I104, I111, I116, I118, I124---pressure transducer
I107---pressure type liquid level sensor
I110, I114, I123, I130---conductivity meter
P101, P102---material-handling pump
R101---100L dense preparing tank R102---250L dilute preparing tank
101,102---pure steam inlet
111,113---purified water water intake 112,114---purified water water outlet
121,123---water for injection water intake 122,124---water for injection water outlet
131,132---nitrogen gas-entered passageway 133,134---nitrogen suction port
141,143,145,147---cooling water intake 142,144,146,148---cooling water outlet
151,152,153,154,155---the condensed water water outlet
161,162,163---wastewater effluent mouth 166,167,168,169---floss hole
171,172---the industrial steam suction port
181,182---the integrity tester interface
191---go filling machine to connect the position
201,202---heat exchanger
211,212---pressure regulator valve
221,222---filter
231,232---the rupture disk position
241,242---visor lamp position
251,252,253---the spray ball
261,262---weigh a little
Embodiment
Small-capacity injection material transport system as shown in Figure 1, Fig. 2 ~ Fig. 5 is the local enlarged diagram of Fig. 1, system forms and mainly comprises: 100L dense preparing tank R101,250L dilute preparing tank R102(tank body volume can be determined according to the needs of each various processes), material-handling pump P101 and P102, filter precision is the decarburization filter F 101 of 3 μ m, filter precision is the filter F 102 of 1 μ m, filter precision is the filter F 103 of 0.45 μ m, filter precision is sterilizing filter F104 and the F105 of 0.22 μ m, and jar last each accessory, wherein accessory comprises resuscitation apparatus, the membrane valve of safety valve and various sizes, ball valve, drain valve and pipe fitting etc. (the concrete indication of the related accessory that is indicated among the figure sees in the description of drawings enumerating of corresponding component title behind each label for details).
Small-volume injection transporting system dense preparing tank R101 tank deck of the present invention is furnished with water for injection (comprising water for injection water intake 121 and water for injection water outlet 122) and purified water interface (comprising purified water water intake 111 and purified water water outlet 112) inserts tank deck spray ball 251 jointly, increasing a pipeline does not in addition more directly enter in the jar by tank deck spray ball 251, in the blending process of routine, the operation that sprays by abhiseca is can be satisfactory.But in emerging field of biological pharmacy, some special material is very strict for the proportioning process conditional request, if (injection water directly enters by spray when promptly preparing burden to adopt conventional way, directly do not enter in the jar and increase inlet in addition), then in blending process, cause foam easily, be not easy to mass transport, feed liquid is splashed, for these materials, this may cause that material characteristic changes.This point can determine whether needs according to concrete pharmaceutical field.
Same also is equipped with similar injection water and purified water interface at dilute preparing tank R102 tank deck.
The present invention's floss hole at the bottom of jar increases the real-time monitoring that temp probe and conductivity probe are realized temperature and water quality conductive, it is common resuscitation apparatus that the resuscitation apparatus of tank deck adopts what adopt in electric heating type resuscitation apparatus E101 and the E102(conventional delivery systems respectively), the main effect of resuscitation apparatus is in pharmaceutical industry, because strictness control requirement to bacterium, and make whole system can not be subjected to the pollution of bacterium in the ambient air, thereby the technical program is selected one 0.22 μ m degerming hydrophobic filter respectively to be set as above-mentioned resuscitation apparatus respectively on the material-compound tank top of dense preparing tank and dilute preparing tank, in fact the resuscitation apparatus here is exactly a filter, it promptly is hydrophobic filter, it also is degerming level filter, also has heating function simultaneously, it can pass through gas, and liquid cannot pass through, and it mainly acts on exactly and keeps a jar inside and outside air pressure balance by the resuscitation apparatus that adopts electric heating type.And owing to can produce condensed water in the process of tank body or pipeline being carried out the online sterilization of pure steam (SIP), partial condensation water can accumulate in the resuscitation apparatus top, causes filter core to stop up; For anti-problem here, then increased electric heating function, make condensate evaporation, thereby prevent that condensed water from stopping up filter core.It is not only bringing into play electric heating function, normally not have under the situation of sterilizing, and it is also serving as and filters atmosphere, keeps jar effect of inside and outside barometric pressure balance.
The main purpose of resuscitation apparatus is to make jar interior air and external air pressure balance, be unlikely to make jar internal pressure excessive or too small, cause jar blast or flatly fall, and the air in entering jar during by this resuscitation apparatus air reached the purpose of degerming, can not have any pollution to soup.
The present invention has increased a heating function in traditional resuscitation apparatus, main purpose need use pure steam when just being online sterilization, and pure steam is easy to generate condensed water, and condensed water can stop up the filter core in the resuscitation apparatus, so need to adopt the mode of heating this moment, add heat filter, make condensate evaporation, be unlikely to cause filter core to stop up.
Before the batching of carrying out each time batch, at first to clean completely and sterilize the feed liquid of last consignment of time.
Cleaning process is as follows:
Open V1003 and V1012 valve, wherein the V1003 valve is a common manual SUS316L membrane valve, and V1012 is pneumatic percentage modulating valve; Mainly the acting as of pneumatic percentage modulating valve be used for the preparing burden accurate control of consumption of water, and can reach the purpose of telecontrol, after having opened these two valves, enter tank body by spray ball 251 and can reach the effect of washing tank body for the first time and passing through material-handling pump pipe blow-through pipe fitting; During cleaning, tank bottom valve V1034 and V1040, V1042, V1025, V1045, V1046, V1051, V1053, these valves of V1054 are all opened, after realizing self-loopa, open vent valves V1035, V1039 at the bottom of the material-compound tank of dense preparing tank R101, V1041, the conductivity meter I110 that be installed in discharge of wastewater passway, dense preparing tank bottom this moment just can detect discharging water quality, by conductivity meter conductivity value is changed into the 4-20mA analog amount and is sent to the PLC system that connected further to make follow-up judgement and operational order; In medical system, verify that if desired pipeline and tank body have cleaned cleaning, then need conductivity meter to detect, thereby reach the needed data of cleaning checking by the record of conductivity value.
Clean for the second time and then open the water for injection valve, opening pure steam valve V1004 earlier sterilizes earlier to the pipeline below the V1005, because pipeline a period of time need not, in order to prevent long bacterium in the heat exchanger, then before entering the R101 material-compound tank, use pure steam sterilizing, the purpose of opening valve V1009 and drain valve V1010 simultaneously is for the condensed water of draining, sterilization time continues after 30 seconds, open water for injection valve V1005, V1011(percentage modulating valve) is ejected into the tank body various piece uniformly by spray ball 251, and then open tank bottom valve V1034, V1044, V1042, V1045, V1046, V1051, V1053, V0154, wash cycles for several times, at last by vent valves V1035 at the bottom of opening jar, escape cock V1041 at the bottom of V1039 and the pump, the water quality after cleaning by conductivity meter I110 mensuration again.Conductivity meter changes into the 4-20mA analog amount with conductivity value and is sent to the PLC system.These data then can be used as cleans indispensable significant data in the checking.
In like manner the cleaning for dilute preparing tank R102 can adopt same operating procedure, but in the general cleaning below the V1055 one section flexible pipe be one and clean cecum; As shown in the figure, equally, open valve V1064, V1068 earlier, pipeline is carried out pure steam sterilizing after 30 seconds, close V1064, V1068 valve, open V1057, V1055, V1056, V1070, close V1053, V1054, injection water then can reach the purpose of cleaning a segment pipe below the V1055 by valve V1057, V1056, V1055, at the bottom of rinse water is disposed to jar, measures the purpose that can reach the cleaning checking equally by conductivity meter I123 again.Dilute preparing tank R102 rear end pipeline adopts can carry out the on-line cleaning process with quadrat method, but because filling machine is placed as the B level zone in the clean room of pharmaceutical factory, (B level zone is at dynamic ten thousand grades, static hundred grades of clean areas, and press the 14 regulation of 98 editions GMP standards of SDA, the air purity in pharmaceutical production cleanroom (district) is divided into four ranks, hundred grades of cleanrooms are defined as: must not be more than 3500 in one cubic metre of cleanroom greater than the grit number of 0.5 μ m, and must not be greater than the grit number of 5 μ m greater than 0; Ten thousand grades of cleanrooms are defined as: must not be more than 350000 greater than the grit number of 0.5 μ m in one cubic metre of cleanroom.Grit number greater than 5 μ m must not be more than 2000, and 100,000 grades of cleanrooms are defined as: must not be more than 3500000 in one cubic metre of cleanroom greater than the grit of 0.5 μ m, and must not be greater than the grit of 5 μ m more than 20000.) because B level zone is not allow floor drain, so carrying out that valve V1113 rear end is cleaned and during sterilization, need the connection flexible pipe will clean waste water and condensed water is disposed to the dilute preparing tank zone.
Cleaning later then is the online sterilization process of pure steam (SIP), and the SIP process comprises the sterilization to jar, tank deck resuscitation apparatus and whole system pipeline valve filter.At first tank body is sterilized, open dense preparing tank (R101) valve V1002 by jar at the bottom of the set temperature transducer I108 of floss hole monitor (wherein the discharge passage at the bottom of the dense preparing tank R101 jar is provided with condensed water water outlet 151 and wastewater effluent mouth 161), because the set point of sensor I108 of floss hole is the cold spot of temperature at the bottom of being positioned at jar, therefore be elevated to 121 ℃ or just can pick up counting when above and sterilize when temperature, sterilization time is 30min, then can reach the purpose of online sterilization, open V1036 during sterilization simultaneously, V1037, the V1038 valve is discharged condensed water.Open V1042, V1045, V1040, V1051, V1053, V1054 simultaneously, in sterilization process, can produce a large amount of condensed waters, comprise on the resuscitation apparatus and also can produce condensed water, at this moment as long as adopt the resuscitation apparatus of electric heating type, with the filter core heating, condensate evaporation can prevent that then condensed water from stopping up filter core and causing resuscitation apparatus to lose efficacy; On discharge passage at the bottom of the jar, also be provided with temperature transducer I109 equally.
In like manner the sterilization process of dilute preparing tank is also with the sterilization process unanimity of dense preparing tank, the discharge passage of holding under the dilute preparing tank R102 jar is provided with condensed water water outlet 152 and wastewater effluent mouth 162, also is provided with the temperature transducer I121 and the I122 that are used for testing online pure steam sterilizing temperature measuring on discharge passage.
I110, I114, I123, I130 are conductivity meter among the figure, are used to monitor the conductivity value of water for cleaning, through the mensuration to conductivity value, then can draw the most effective numerical value of cleaning checking.
E101, E102 are the electric heating type resuscitation apparatus among the figure, compare with traditional resuscitation apparatus, have increased heating function, the heating of the resuscitation apparatus inner filter core that passes through, make the time, make attached to the condensed water on the filter core and be able to heating evaporation, thereby prevent filter core from stopping up and cause the tank body explosion or flatly fall the SIP of system.
I101, I103, I105, I108, I109, I115, I117, I120, I121, I122, I129 are temperature transducer among the figure, are used for monitoring and acquisition system temperature conditions everywhere, with decision sterilization control and the related data collection of starting time.
In addition, but the big arrow indication of corresponding label place correspondence in the trend reference drawing of each gas and liquid among the figure, for example: to be 145 cooling water intake enter pipeline along the sensing of right side arrow among the figure to number in the figure, and number in the figure is 153 the condensed water water outlet sensing discharge conduit along the left side arrow; Be that the arrow of 101 pure steam inlet lower end indicates the path that pure steam enters system pipeline also as number in the figure; Be the water outlet position that the arrow of 112 purified water water outlet upper end indicates purified water also as label, and the water inlet direction of label to be 111 purified water water intake lower end arrow represent purified water.The sign of other parts also is similar.
The present invention reaches the purpose of multistage degerming by increase by the sterilizing filter of one 0.22 μ m again on the basis of existing system, thereby more can guarantee the quality of soup.
The relative prior art of the present invention is floss hole increase conductivity probe and temp probe at the bottom of jar also, conductivity value is converted into 4-20 milliampere analog signals, be sent to and carry out data logging and storage in the PLC system, after a batch of production finishes for soup, when pipe blow-through and equipment and to the SIP of system (online sterilization), can on-line monitoring conductivity value and temperature value, reach the data that need in cleaning checking and the sterilization checking.Do not reach the needed data of checking and in traditional cleaning checking and sterilization process, have these two kinds of on-line monitoring instrument, because conductivity can be monitored the water quality after cleaning, and in GMP requires, sterilising temp then needs to be controlled at and is not less than 121 ℃, sterilization time needs 〉=30min, can know then that when temperature transducer being placed on floss hole and minimum temperature point position the minimum temperature point reaches 121 ℃ interdependent node, and then the sterilization that picks up counting; Related data can be indexed in cleaning and the sterilization authenticating documents thus.
The invention solves in traditional small-volume injection transporting system the deficiency that can't carry out on-line monitoring to temperature and water quality; And this system can also realize automatic on-line SIP, and the automatic on-line cleaning process.System has realized the monitoring to temperature and institute's discharge liquid conductivity, thereby and prevents that by the resuscitation apparatus heating function condensed water from stopping up liquid container tank deck resuscitation apparatus and making the tank body explosion or flatly fall.
Claims (10)
1. small-capacity injection material transport system, comprise dense preparing tank, dilute preparing tank, filter and lay respectively at dense preparing tank and the resuscitation apparatus of dilute preparing tank tank deck, it is characterized in that, the jar end of described dense preparing tank and/or dilute preparing tank, be provided with discharge of wastewater mouth or discharge passage, and described discharge of wastewater mouth or discharge passage place are provided with the conductivity meter that is used for testing institute's waste discharge conductivity.
2. small-capacity injection material transport system according to claim 1 is characterized in that, described resuscitation apparatus is the electric heating type resuscitation apparatus.
3. small-capacity injection material transport system according to claim 1 and 2 is characterized in that, described resuscitation apparatus is the degerming hydrophobic filter.
4. small-capacity injection material transport system according to claim 3 is characterized in that, the filter precision of described degerming hydrophobic filter is 0.22 μ m.
5. small-capacity injection material transport system according to claim 1, it is characterized in that, be provided with discharge of wastewater mouth/discharge passage and condensation water channel at the bottom of the described dense preparing tank jar, described discharge of wastewater mouth/discharge passage and/or condensation water channel place are provided with the temperature transducer that is used for testing online pure steam sterilizing temperature measuring.
6. small-capacity injection material transport system according to claim 1, it is characterized in that, be provided with discharge of wastewater mouth/discharge passage and condensation water channel at the bottom of the described dilute preparing tank jar, described discharge of wastewater mouth/discharge passage and/or condensation water channel place are provided with the temperature transducer that is used for testing online pure steam sterilizing temperature measuring.
7. small-capacity injection material transport system according to claim 1, it is characterized in that described filter comprises that filter precision is that the decarburization filter of 3 μ m, the filter that filter precision is 1 μ m, filter and the filter precision that filter precision is 0.45 μ m are the sterilizing filter of 0.22 μ m.
8. small-capacity injection material transport system according to claim 7 is characterized in that, described filter precision is that the sterilizing filter of 0.22 μ m has two.
9. small-capacity injection material transport system according to claim 1 is characterized in that, described dense preparing tank tank deck is provided with water for injection intake tunnel and purified water intake tunnel; Described water for injection intake tunnel and purified water intake tunnel be equipped with at least one by the set spray ball of dense preparing tank tank deck with described water for injection or/and purified water is sent into the liquor charging passage in the dense preparing tank jar, and also be equipped with at least one not by described spray ball with described water for injection or/and purified water is sent into the liquor charging passage in the dense preparing tank jar.
10. small-capacity injection material transport system according to claim 1 is characterized in that, described dilute preparing tank tank deck is provided with water for injection intake tunnel and purified water intake tunnel; Described water for injection intake tunnel and purified water intake tunnel be equipped with at least one by the set spray ball of dilute preparing tank tank deck with described water for injection or/and purified water is sent into the liquor charging passage in the dilute preparing tank jar, and also be equipped with at least one not by described spray ball with described water for injection or/and purified water is sent into the liquor charging passage in the dilute preparing tank jar.
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| CN 201010262525 CN101915362A (en) | 2010-08-26 | 2010-08-26 | Small-capacity injection material transport system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103705949A (en) * | 2013-12-25 | 2014-04-09 | 上海东富龙拓溥科技有限公司 | Offline sterilization method for breather on buffer tank |
| CN107855012A (en) * | 2017-12-29 | 2018-03-30 | 潘林 | A kind of sterile liquid mixing system |
| CN109574335A (en) * | 2018-12-28 | 2019-04-05 | 农夫山泉广东万绿湖饮料有限公司 | One kind drinking water zero discharge circulating treating system |
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Application publication date: 20101215 |